0004148: Populated servers report zero players during map/gamemode transitions

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0004148

Zandronum

[All Projects] Bug

public

2023-07-25 13:35

2023-07-31 15:57

Reporter

duke

Assigned To

Priority

normal

Severity

minor

Reproducibility

always

Status

new

Resolution

open

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OS Version

Product Version

Target Version

Fixed in Version

Summary

0004148: Populated servers report zero players during map/gamemode transitions

Description

During a short period (1-2 seconds) when a server is changing maps or game modes, when players are shown the screen as in the attached screenshot, the server reports having zero players to launcher queries, even when the server is actually populated and players will reappear in a moment.

Technically it may be true that there are zero clients connected at that moment, but it is inconvenient for server browsers, which will report the server as empty even though it's not, if they happen to query during that period.

Specifically The Floppy Disk Mod changes maps very often like this, so it's not too rare to see this occur when you randomly open Doomseeker.

Forhttps://doomlist.net [^] I implemented a workaround, which remembers the previous player data and uses that when neccessary, but this is not an option for eg. Doomseeker, which doesn't always have previous data to refer to when querying.

Possible solutions/workarounds that were mentioned in Discord discussion:
- Keep clients connected during these transitions
- Have the server remember the player data before the transition, and return that when queried before the clients reconnect again
- During the transition period respond to queries with "try again a bit later" and allow another query without throttling
- Add an extra flag to the query response to indicate that the returned player data is not true

Attached Files

mapchange.png [^] (335,523 bytes) 2023-07-25 13:35

Relationships

Notes
(0022898) Fused (reporter) 2023-07-31 15:57	Related since the whole point why Floppy Disk Mod does this is to change the game mode:https://zandronum.com/tracker/view.php?id=10 [^]

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Issue History
Date Modified	Username	Field	Change
2023-07-25 13:35	duke	New Issue
2023-07-25 13:35	duke	File Added: mapchange.png
2023-07-31 15:57	Fused	Note Added: 0022898

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